                           [:div.extra "..."]])}))))))
 
    ; ... #<tag>   -> autocompletes tag
-   (fn [text thread-id]
+   (fn [text _]
      (let [pattern #"\B#(\S{0,})$"]
        (when-let [query (second (re-find pattern text))]
          (let [group-tags (store/tags-in-open-group)

(def engines
  [
   ; ... :emoji  -> autocomplete emoji
   (fn [text thread-id]
     (let [pattern #"\B[:(](\S{2,})$"]
       (when-let [query (second (re-find pattern text))]
         (->> emoji/unicode

                                  {:react-key k}])}))))))

   ; ... @<user>  -> autocompletes user name
   (fn [text _]
     (let [pattern #"\B@(\S{0,})$"]
       (when-let [query (second (re-find pattern text))]
         (->> (store/users-in-open-group)
